Enertech CTC EcoLogic Family series, Installation And Maintenance Manual, Page: 13 / 128

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CTC EcoLogic Pro/Family
General Information
1.4 Additional heat
The CTC EcoLogic can control an external additional heat source (pellet,
oil, gas or electric boiler) which is connected before or after the hot water
system.
In the
Installer/Settings/Add heat menu, systems 1, 2 and 3 can be set
according to the cumulative heat loss in degree minutes at which the
EcoLogic will start the additional heat as well as the difference between the
start and stop of the additional heat. Additional heat is factory set to start
when there is a loss of 500 degree minutes and to stop when the loss totals
400 degree minutes (set difference = 100 degree minutes).
For EcoLogic systems 4, 5 and 6, additional heat can be set to start at a
certain time after heat loss occurs in the tank. The factory setting is 180
minutes.
1.4.1 Wood Boiler
The CTC EcoLogic in system 1 can be connected to a wood boiler.
When wood-iring is started and the lue gas sensor reaches the value set
in the
Installer/Settings/Add heat/ Start lue gas °C menu (factory set to Off),
control enters wood operation status.
When wood operation is active, the heat pump(s) or additional heat are not
used for heating. When the lue gas sensor is below the set value, wood
operation status is interrupted.
A charging system such as Laddomat 21 is recommended for the wood
boiler for optimum performance. In special cases, for instance operating
a water-jacketed stove, a charge pump controlled directly by the lue gas
temperature can be used.